Muscular System Vocab

2. Muscle tissue attached to bones, voluntary and striated, has multiple nuclei
4. One end of the muscle where it attaches to bone, the distal end of the muscle
6. Muscles that we can consciously move
10. A microscopic section of a muscle
12. Muscle tissue found in the heart, involuntary and striated, has extra mitochondria
14. The muscle that is relaxing
15. Muscles that move unconsciously
17. Small arms on the myosin filaments that reach across and temporarily bind to actin to contract the muscle
19. Striped appearance

1. An increase in muscle mass
2. A muscle that helps to stabilize a joint during movement
3. The muscle that is contracting
5. A covering that surrounds and separates skeletal muscles
7. Muscle tissue found in the digestive system and blood vessels, non-striated and involuntary, flat cells with large nuclei
8. Binds muscles to bone
9. Thick protein filaments that remain in place during muscle contraction
11. Thin protein filaments that are pulled by myosin heads toward the center of a sarcomere during muscle contraction
13. Bind bone to bone, avascular (no blood supply)
16. Muscles that move in opposition to each other
18. One end of the muscle where it attaches to the bone, the proximal end of the muscle
20. A decrease in muscle mass